Here you can find the source of normalizeWhitespaces(String text)
public static String normalizeWhitespaces(String text)
//package com.java2s; /*/* w w w . j a va 2s . c om*/ * Copyright 2013-2014 Grzegorz Ligas <ligasgr@gmail.com> and other contributors * (see the CONTRIBUTORS file). * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static String normalizeWhitespaces(String text) { return compressWhitespaces(text).trim(); } public static String compressWhitespaces(String text) { return text.replaceAll("\\s+", " "); } }